Bump containerd to v1.7.0 and move back into multicall binary

docs/adrs/standalone-containerd.md

@@ -4,7 +4,7 @@ Date: 2021-12-15
 
 ## Status
 
-Accepted
+Rescinded 2023-05-03 (containerd moved back into multicall bundle)
 
 ## Context
 

pkg/containerd/builtins.go

@@ -0,0 +1,51 @@
+//go:build ctrd
+// +build ctrd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package containerd
+
+// register containerd builtins here
+import (
+	_ "github.com/containerd/containerd/diff/walking/plugin"
+	_ "github.com/containerd/containerd/events/plugin"
+	_ "github.com/containerd/containerd/gc/scheduler"
+	_ "github.com/containerd/containerd/leases/plugin"
+	_ "github.com/containerd/containerd/metadata/plugin"
+	_ "github.com/containerd/containerd/pkg/nri/plugin"
+	_ "github.com/containerd/containerd/plugins/sandbox"
+	_ "github.com/containerd/containerd/plugins/streaming"
+	_ "github.com/containerd/containerd/plugins/transfer"
+	_ "github.com/containerd/containerd/runtime/restart/monitor"
+	_ "github.com/containerd/containerd/runtime/v2"
+	_ "github.com/containerd/containerd/services/containers"
+	_ "github.com/containerd/containerd/services/content"
+	_ "github.com/containerd/containerd/services/diff"
+	_ "github.com/containerd/containerd/services/events"
+	_ "github.com/containerd/containerd/services/healthcheck"
+	_ "github.com/containerd/containerd/services/images"
+	_ "github.com/containerd/containerd/services/introspection"
+	_ "github.com/containerd/containerd/services/leases"
+	_ "github.com/containerd/containerd/services/namespaces"
+	_ "github.com/containerd/containerd/services/opt"
+	_ "github.com/containerd/containerd/services/sandbox"
+	_ "github.com/containerd/containerd/services/snapshots"
+	_ "github.com/containerd/containerd/services/streaming"
+	_ "github.com/containerd/containerd/services/tasks"
+	_ "github.com/containerd/containerd/services/transfer"
+	_ "github.com/containerd/containerd/services/version"
+)

pkg/containerd/builtins_cri_linux.go

@@ -0,0 +1,22 @@
+//go:build ctrd
+// +build ctrd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package containerd
+
+import _ "github.com/containerd/containerd/pkg/cri"

pkg/containerd/builtins_linux.go

@@ -0,0 +1,32 @@
+//go:build ctrd
+// +build ctrd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package containerd
+
+import (
+	_ "github.com/containerd/containerd/metrics"
+	_ "github.com/containerd/containerd/metrics/cgroups"
+	_ "github.com/containerd/containerd/metrics/cgroups/v2"
+	_ "github.com/containerd/containerd/runtime/v2/runc/options"
+	_ "github.com/containerd/containerd/snapshots/btrfs/plugin"
+	_ "github.com/containerd/containerd/snapshots/native/plugin"
+	_ "github.com/containerd/containerd/snapshots/overlay/plugin"
+	_ "github.com/containerd/fuse-overlayfs-snapshotter/plugin"
+	_ "github.com/containerd/stargz-snapshotter/service/plugin"
+)

pkg/containerd/main.go

@@ -0,0 +1,22 @@
+//go:build ctrd
+// +build ctrd
+
+package containerd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/containerd/containerd/cmd/containerd/command"
+	"github.com/containerd/containerd/pkg/seed"
+)
+
+func Main() {
+	//klog.InitFlags(nil)
+	seed.WithTimeAndRand()
+	app := command.App()
+	if err := app.Run(os.Args); err != nil {
+		fmt.Fprintf(os.Stderr, "containerd: %s\n", err)
+		os.Exit(1)
+	}
+}

pkg/containerd/utility_linux.go

@@ -0,0 +1,21 @@
+//go:build linux
+
+package containerd
+
+import (
+	"github.com/containerd/containerd/snapshots/overlay/overlayutils"
+	fuseoverlayfs "github.com/containerd/fuse-overlayfs-snapshotter"
+	stargz "github.com/containerd/stargz-snapshotter/service"
+)
+
+func OverlaySupported(root string) error {
+	return overlayutils.Supported(root)
+}
+
+func FuseoverlayfsSupported(root string) error {
+	return fuseoverlayfs.Supported(root)
+}
+
+func StargzSupported(root string) error {
+	return stargz.Supported(root)
+}

pkg/containerd/utility_windows.go

@@ -0,0 +1,21 @@
+//go:build windows
+// +build windows
+
+package containerd
+
+import (
+	util2 "github.com/k3s-io/k3s/pkg/util"
+	"github.com/pkg/errors"
+)
+
+func OverlaySupported(root string) error {
+	return errors.Wrapf(util2.ErrUnsupportedPlatform, "overlayfs is not supported")
+}
+
+func FuseoverlayfsSupported(root string) error {
+	return errors.Wrapf(util2.ErrUnsupportedPlatform, "fuse-overlayfs is not supported")
+}
+
+func StargzSupported(root string) error {
+	return errors.Wrapf(util2.ErrUnsupportedPlatform, "stargz is not supported")
+}

scripts/build

@@ -63,7 +63,7 @@ fi
 STATIC="
     -extldflags '-static -lm -ldl -lz -lpthread'
 "
-TAGS="apparmor seccomp netcgo osusergo providerless urfave_cli_no_docs"
+TAGS="ctrd apparmor seccomp netcgo osusergo providerless urfave_cli_no_docs"
 RUNC_TAGS="apparmor seccomp"
 RUNC_STATIC="static"
 
@@ -133,23 +133,23 @@ fi
 
 echo Building k3s
 CGO_ENABLED=1 "${GO}" build $BLDFLAGS -tags "$TAGS" -gcflags="all=${GCFLAGS}" -ldflags "$VERSIONFLAGS $LDFLAGS $STATIC" -o bin/k3s ./cmd/server/main.go
+ln -s k3s ./bin/containerd
+ln -s k3s ./bin/crictl
+ln -s k3s ./bin/ctr
 ln -s k3s ./bin/k3s-agent
-ln -s k3s ./bin/k3s-server
-ln -s k3s ./bin/k3s-token
-ln -s k3s ./bin/k3s-etcd-snapshot
-ln -s k3s ./bin/k3s-secrets-encrypt
 ln -s k3s ./bin/k3s-certificate
 ln -s k3s ./bin/k3s-completion
+ln -s k3s ./bin/k3s-etcd-snapshot
+ln -s k3s ./bin/k3s-secrets-encrypt
+ln -s k3s ./bin/k3s-server
+ln -s k3s ./bin/k3s-token
 ln -s k3s ./bin/kubectl
-ln -s k3s ./bin/crictl
-ln -s k3s ./bin/ctr
 
 export GOPATH=$(pwd)/build
 
 echo Building containerd
 pushd ./build/src/github.com/containerd/containerd
 TAGS="${TAGS/netcgo/netgo}"
-CGO_ENABLED=1 "${GO}" build -tags "$TAGS" -gcflags="all=${GCFLAGS}" -ldflags "$VERSIONFLAGS $LDFLAGS $STATIC" -o bin/containerd              ./cmd/containerd
 CGO_ENABLED=1 "${GO}" build -tags "$TAGS" -gcflags="all=${GCFLAGS}" -ldflags "$VERSIONFLAGS $LDFLAGS $STATIC" -o bin/containerd-shim-runc-v2 ./cmd/containerd-shim-runc-v2
 popd
 cp -vf ./build/src/github.com/containerd/containerd/bin/* ./bin/

scripts/package-cli

@@ -7,7 +7,7 @@ cd $(dirname $0)/..
 
 GO=${GO-go}
 
-for i in crictl kubectl k3s-agent k3s-server k3s-token k3s-etcd-snapshot k3s-secrets-encrypt k3s-certificate k3s-completion; do
+for i in containerd crictl kubectl k3s-agent k3s-server k3s-token k3s-etcd-snapshot k3s-secrets-encrypt k3s-certificate k3s-completion; do
     rm -f bin/$i
     ln -s k3s bin/$i
 done